Core

Command	Description
alias	Alias a command (with optional flags) to a new name.
attr	Various attributes for custom commands.
attr category	Attribute for adding a category to custom commands.
attr complete	Attribute for using another command as a completion source for all arguments.
attr complete external	Attribute for enabling use of the external completer for internal commands.
attr deprecated	Attribute for marking a command or flag as deprecated.
attr example	Attribute for adding examples to custom commands.
attr search-terms	Attribute for adding search terms to custom commands.
break	Break a loop.
collect	Collect a stream into a value.
commandline	View the current command line input buffer.
commandline edit	Modify the current command line input buffer.
commandline get-cursor	Get the current cursor position.
commandline set-cursor	Set the current cursor position.
const	Create a parse-time constant.
continue	Continue a loop from the next iteration.
def	Define a custom command.
describe	Describe the type and structure of the value(s) piped in.
do	Run a closure, providing it with the pipeline input.
echo	Returns its arguments, ignoring the piped-in value.
error	Various commands for working with errors.
error make	Create an error.
export	Export definitions or environment variables from a module.
export alias	Alias a command (with optional flags) to a new name and export it from a module.
export const	Use parse-time constant from a module and export them from this module.
export def	Define a custom command and export it from a module.
export extern	Define an extern and export it from a module.
export module	Export a custom module from a module.
export use	Use definitions from a module and export them from this module.
extern	Define a signature for an external command.
for	Loop over a range.
help	Display help information about different parts of Nushell.
help aliases	Show help on nushell aliases.
help commands	Show help on nushell commands.
help escapes	Show help on nushell string escapes.
help externs	Show help on nushell externs.
help modules	Show help on nushell modules.
help operators	Show help on nushell operators.
help pipe-and-redirect	Show help on nushell pipes and redirects.
hide	Hide definitions in the current scope.
hide-env	Hide environment variables in the current scope.
if	Conditionally run a block.
ignore	Ignore the output of the previous command in the pipeline.
is-admin	Check if nushell is running with administrator or root privileges.
let	Create a variable and give it a value.
loop	Run a block in a loop.
match	Conditionally run a block on a matched value.
module	Define a custom module.
mut	Create a mutable variable and give it a value.
overlay	Commands for manipulating overlays.
overlay hide	Hide an active overlay.
overlay list	List all overlays with their active status.
overlay new	Create an empty overlay.
overlay use	Use definitions from a module as an overlay.
return	Return early from a custom command.
scope	Commands for getting info about what is in scope.
scope aliases	Output info on the aliases in the current scope.
scope commands	Output info on the commands in the current scope.
scope engine-stats	Output stats on the engine in the current state.
scope externs	Output info on the known externals in the current scope.
scope modules	Output info on the modules in the current scope.
scope variables	Output info on the variables in the current scope.
source	Runs a script file in the current context.
source-env	Source the environment from a source file into the current environment.
try	Try to run a block, if it fails optionally run a catch closure.
use	Use definitions from a module, making them available in your shell.
version	Display Nu version, and its build configuration.
while	Conditionally run a block in a loop.